C07C 1/2072
By condensation
Official title: {by condensation (C07C2/86 takes precedence)}
C07C1/2072 (By condensation) appears on 43 US grants and 48 published applications in this corpus.
Search patents in C07C- Granted patents
- 43
- Published applications
- 48
- Assignees
- 37
- Inventors
- 104
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 4 | 7 |
| 2015 | 4 | 8 |
| 2016 | 5 | 3 |
| 2017 | 3 | 3 |
| 2018 | 5 | 1 |
| 2019 | 3 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 4 | 7 |
| 2023 | 2 | 1 |
| 2024 | 1 | 4 |
| 2025 | 0 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for purifying an aqueous-alcoholic feedstock comprising ethanol and acetaldehyde5 May 2026US 12,616,917 B2Compagnie Generale Des Etablissements Michelin
- Supported tantalum catalyst for the production of 1,3-butadiene27 Aug 2024US 12,070,738 B2Synthos Dwory 7 SpóLka Z Ograniczona Odpowiedzialnoscia
- Systems and methods for preparing butenes12 Dec 2023US 11,840,491 B2Battelle Memorial Institute
- Method for producing butadiene from ethanol with optimised in situ regeneration of the catalyst of the second reaction step22 Aug 2023US 11,731,918 B2Compagnie Generale Des Etablissements Michelin
- Method for producing 1,3-butadiene25 Oct 2022US 11,479,518 B2Sekisui Chemical Co., Ltd.
- Methods of using hydrogen to extend catalyst life for ethanol to butadiene conversions16 Apr 2026US 2026/0103434 A1Battelle Memorial Institute
- Temperature control for hydrodeoxygenation reactions25 Dec 2025US 2025/0388525 A1
- Catalyst for the production of 1,3-butadiene having high activity4 Sep 2025US 2025/0276946 A1Ecovyst, Inc
- Butadiene production from used tires14 Aug 2025US 2025/0257187 A1
- Catalyst and method embodiments for making para-xylene and ortho-xylene20 Mar 2025US 2025/0091036 A1Battelle Memorial Institute
Most cited
By later US patents
- Renewable engine fuel25US 8,049,048 B2Swift Enterprises, Ltd. · 2011
- Method of making mesitylene22US 5,087,781 AAristech Chemical Corporation · 1992
- Renewable engine fuel and method of producing same8US 8,556,999 B2Swift Fuels, LLC · 2013
- Production of aromatics from di- and polyoxygenates7US 10,005,700 B2Virent, Inc. · 2018
- Dehydrogenation of alkanols to increase yield of aromatics7US 8,969,640 B2Virent, Inc. · 2015